The battery for Harman Kardon CP-HK06, Go Play, and similar devices is a powerful lithium-polymer battery with a capacity of 3000 mAh and a voltage of 7.4 V. It has been specifically designed for use in compatible audio devices and provides a reliable power source to ensure optimal performance. Weighing 133 grams, this battery is lightweight and easy to handle. The size is device-specific, meaning it can be seamlessly integrated into the corresponding devices. This battery falls under the category of device batteries and is subject to declaration. It meets the required safety standards and is marked with UN number 3480, indicating compliance with international regulations. Using this battery allows you to maximize the functionality and mobility of your Harman Kardon devices, so you can enjoy your music anywhere.